Fig. 7From: Exogenous hydrogen sulfide and methylglyoxal alleviate cadmium-induced oxidative stress in Salix matsudana Koidz by regulating glutathione metabolismPrincipal component analysis (PCA) based on eco-physiological traits in S. matsudana among treatments. The biplot graph showing PCA score and loadings of different studied attributes of the leaves of Cd stressed willow seedling supplemented with NaHS and MGBack to article page